5533988663 has 16 divisors (see below), whose sum is σ = 6415945536. Its totient is φ = 4675345920.

The previous prime is 5533988639. The next prime is 5533988683. The reversal of 5533988663 is 3668893355.

It is not a de Polignac number, because 5533988663 - 2²⁶ = 5466879799 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5533988599 and 5533988608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5533988683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123845 + ... + 162497.

It is an arithmetic number, because the mean of its divisors is an integer number (400996596).

Almost surely, 2^5533988663 is an apocalyptic number.

5533988663 is a deficient number, since it is larger than the sum of its proper divisors (881956873).

5533988663 is a wasteful number, since it uses less digits than its factorization.

5533988663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38954.

The product of its digits is 13996800, while the sum is 56.

The square root of 5533988663 is about 74390.7834546727. The cubic root of 5533988663 is about 1768.8028189216.

The spelling of 5533988663 in words is "five billion, five hundred thirty-three million, nine hundred eighty-eight thousand, six hundred sixty-three".